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Betacel is considered to be the first commercially successful betavoltaic battery. [1] [2] [3] It was developed in the early 1970s by Larry C. Olsen at the American corporation McDonnell Douglas, using the radioisotope Promethium-147 as the beta-electron source coupled to silicon semiconductor cells.
However, smart investment in water involves more than just buying shares in utilities and. As pressures on our planet's water supply mount, investors are increasingly pouring money into solutions ...
Betavolt claims it to be the first such miniaturised device ever developed. [14] It gains its energy from a sheet of nickel-63 located in a module the size of a very small coin. [12] [14] The isotope decays into stable, non-radioactive Cu-63, which pose no additional environmental threat.
The meter communicates to its collection point using 900 MHz mesh network topology. Automatic meter reading (AMR) is the technology of automatically collecting consumption, diagnostic, and status data from water meter or energy metering devices (gas, electric) and transferring that data to a central database for billing, troubleshooting, and ...
Invest in this precious resource. Increasing droughts and floods in recent years have led to disparities in access to water, causing concern to investors who are diversifying their portfolios with ...
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Itron, a spinoff of Spokane-based Avista Corp., formerly Washington Water Power Co., was founded in 1977 in Hauser Lake, Idaho when a small group of engineers wanted to build a more efficient way to read utility meters. [7] [8] In 1984, Itron experienced global expansion into the Asian market and developed new manufacturing plants in France and ...
A typical residential water meter A typical residential digital electric submeter Before submetering, many landlords either included the utility cost in the bulk price of the rent or lease , or divided the utility usage among the tenants in some way such as equally, by square footage via allocation methods often called RUBS (Ratio Utility ...